APA (7th ed.) Citation

Dwivedi, H. (2009). Hacking VoIP: Protocols, attacks, and countermeasures. No Starch Press.

Chicago Style (17th ed.) Citation

Dwivedi, Himanshu. Hacking VoIP: Protocols, Attacks, and Countermeasures. San Francisco: No Starch Press, 2009.

MLA (9th ed.) Citation

Dwivedi, Himanshu. Hacking VoIP: Protocols, Attacks, and Countermeasures. No Starch Press, 2009.